//part 1
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);

var renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);

//part 2 
var geometry = new THREE.BoxGeometry();
var material = new THREE.MeshBasicMaterial({ color: 0x00ff00 });
var cube = new THREE.Mesh(geometry, material);
scene.add(cube);

camera.position.z = 5;

//part 3
function animate() {
    requestAnimationFrame(animate);

    //part 4
    cube.rotation.x += 0.01;
    cube.rotation.y += 0.01;
    //

    renderer.render(scene, camera);
}
animate();
